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What is "cotyloidal"

The Collaborative International Dictionary
cotyloidal

cotyloid \cot"y*loid\, cotyloidal \cotyloidal\(k?t"?-loid), a. [Cotyle + -oid] (Anat.)

  1. Shaped like a cup; cup-shaped; as, the cotyloid cavity, the cup-shaped socket which receives the head of the thigh bone.

  2. Pertaining to a cotyloid cavity; as, the cotyloid ligament, or notch.

    Syn: acetabular, cotyloid. [1913 Webster + WordNet 1.5] ||

WordNet
cotyloidal

adj. of the cup-shaped socket that receives the head of the thigh bone [syn: acetabular, cotyloid]